//
//  NSDictionary+NSNullValue.h
//  KIASupervisory
//
//  Created by tan_xin on 14-7-30.
//  Copyright (c) 2014年 MyCompany. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSDictionary (NSNullValue)

- (id)objectForKey:(id)aKey;

- (id)objectForKeyOrNil:(id)key;

@end
